java.lang.NullPointerException

Stack Overflow | Flair | 9 months ago
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    Error with javax.websocket library

    Stack Overflow | 9 months ago | Flair
    java.lang.NullPointerException

    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at pre.Web.sendMessage()
    2. pre
      TestApp.main
      1. pre.Web.sendMessage(Web.java:49)
      2. pre.TestApp.main(TestApp.java:20)
      2 frames